Mac OS X 10.5.5 released: MobileMe, Time Machine, Spotlight, iPhone, graphics fixes

Apple has released Mac OS X 10.5.5, the latest incremental OS update. The new version is currently available only through Software Update. Enhancements include:

• Includes recent Apple security updates.
• Addresses stability issues with video playback, processor core idling, and remote disc sharing for MacBook Air.
• Addresses an issue in which some Macs could unexpectedly power on at the same time each day.
• Resolves a stability issue in TextEdit that could be found when accessing the color palette.
• Improves Spotlight indexing performance.
• Fixes an issue in which contacts might not sync properly with PalmOS-based devices.
• Improves iPhone sync reliability with iCal and Address Book.
• Includes improvements to Active Directory (see this article for more information).
• Improves Speech Dictionary.
• Fixes Kerberos authentication issues for Mac OS X 10.5 clients that connect to certain Samba servers, such as Mac OS X Server version 10.4.
• Includes extensive graphics enhancements.

• Addresses stability issues that may occur when creating a Smart Group.
• Resolves a printing issue with address cards containing information that spans more than one page.

• Improves reliability when rebuilding a software mirror RAID volume in Disk Utility.
• Improves reliability of server status displayed in Directory Utility.

• Updates iCal to more accurately handle repeating events.
• Improves performance when choosing meeting attendees.
• Resolves an issue in which the "Refresh All" option may be dimmed ("grayed out") in the contextual menu for certain calendars.
• Fixes issues with read-only calendars.
• Addresses an issue that prevents an invitee from moving an event to a different calendar.
• Resolves an issue with syncing published calendars.

• Addresses performance issues related to displaying IMAP messages.
• Resolves an issue with SMTP settings for AIM, Compuserve, Hanmail, Yahoo!, and Time Warner Road Runner email accounts.
• Addresses stability issues that may occur when dragging a file to the Mail icon in the Dock.
• Addresses an issue with the "Organized by Thread" view in which the date does not appear when the thread is collapsed.
• Resolves an issue in which RSS feeds could temporarily disappear from the sidebar.
• Improves Mail robustness when sending messages.
• Improves reliability when saving drafts that have attachments.

• Improves overall sync reliability.
• Improves Back to My Mac reliability.

• Improves Time Machine reliability with Time Capsule.
• Addresses performance issues that may affect initial and in-progress backups.
• Fixes an issue in which an incorrect alert message could appear stating that a backup volume does not have enough free space.
• Time Machine can now back up iPhone backups that are on your Mac, as well as other items in (~/Library/Application Support).

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Update procedure recommendation

1. General principles.
1. Leave all Apple-installed components where they are. Don't, for example, move Safari out of /Applications, or move your user Home folder.
2. In System Preferences > Software Update, make certain that "Download important updates in the background" is not checked. If your computer has multiple users, do this for every user. It might also be wise to uncheck "Check for updates"; one user, the administrator, should then be responsible for checking manually for updates from time to time. (To do so, choose Apple > Software Update.)
2. When an update is available in Software Update, do not press the Install button in the Software Update window. Instead, download any desired update packages individually and without actually performing the installation. Software Update allows you to do so, but this feature is not at all obvious, so here are instructions:
1. Make sure there is a checkmark at the left of all and only the packages you want to download.
2. Choose Update > Download Only. After performing the download(s), note the location, on your hard drive, of the downloaded material.
[Note: Alternatively, go to http://www.apple.com/support/downloads/ and click the download link for the desired package. In the case of major system updates, this is the way to obtain the full "combo update", which is often better than the incremental update offered by Software Update.]
3. Restart into Safe mode, by holding down the Shift key from the moment you hear the startup "bong" to the moment the "spinning gear" appears. Expect this startup to take longer than usual. Don't be alarmed if the fans whir loudly during the "spinning gear" display. Eventually you will be presented with the Safe Boot login screen. Log in as the administrator.
4. Without launching any other applications, double-click one installer package and perform the installation. Do nothing else; just sit there and wait until the installation is complete.
5. Repeat step 3 after every installation. Finally, restart normally. This, too, may take longer than usual, and you may experience a "double-restart." Be patient!

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